Polishing is the process of creating a smooth surface. Often the objective is to create a shiny surface that looks very appealing, as in the metal polishing of a motorbike or cooking pot. For metallic medical instruments the polished surface removes any minute grooves or surface imperfections where bacteria could more easily grow. Household cleaners are polishes for removing stains from porcelain or other materials, while auto polishes return an automotive finish to its original luster. Stones are polished to enhance their natural beauty, while our teeth are polished to give them a whiter appearance. And for all these polishing needs, polishing aluminas are used and valued. Alumina, with a Moh's hardness of 9, is second only to diamond on the hardness scale, and thus able to polish all materials softer.
Calcined Aluminas for Polishing Applications
Premium Almatis calcined aluminas are used for metal polishing, car cleaners, stone polishes, brake linings, vibro-finishing, household cleaners and toothpaste. They are applied manually or in automatic polishing processes, such as airless processes or barrel finishing. Almatis Polishing Aluminas can be used alone or as a component of a polishing compound, into applications that may require:
- Precision lapping
- Final lapping
- Surface abrasion (hydro abrasion)
- Polishing (buffing, hydro lapping, barrel polishing, tumbling)
- Honing
- Super finishing
- Fettling
- Polishing with wheels